The Belfast Peace Lines are a series of walls ranging in length from a few hundred yards to over three miles (5 km), separating Catholic and Protestant neighbourhoods. While these walls were intended to be temporary, some have been in place for thirty years. The walls, which were designed to prevent Molotov cocktails being tossed over the top, are now decorated by messages of peace, but there are no plans for their removal.
Belfast (and Northern Ireland generally) is a really interesting place to visit – the tensions of the Troubles are still clearly evident, even as the city enthusiastically embrace tourists, who have been in short supply. If you do visit, be sure to take a Black Taxi tour of the Peace Lines and the political murals – the drivers are normally locals, from both sides of the political spectrum, and do a good job of presenting a clear interpretation of the complex political and social situation through their personal stories of the area.